<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./css/all.css">
    <style>
        /* 设置伪元素,每个li的前面 */
        li::before{
            content: '\f1b0';
            /* font-family: 'Courier New', Courier, monospace; */
            /* font-family: 'Font Awesome 6 Brands'; */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: black;
            margin-right: 10px;
        }
    </style>
</head>
<body>
    <ul>
        <li>1111312321</li>
        <li>3123123211</li>
        <li>3123232111</li>
        <li>3213213121</li>
    </ul>
    <!-- 
        通过实体来使用图标字体:
            &#x图标的编码
     -->
     <span class="fas">&#xf049</span>
</body>
</html>